acetate
C2H3O2-
ammonium
NH4+
carbonate
CO32-
hydrogen carbonate (bicarbonate)
HCO3-
hypochlorite
ClO-
chlorite
ClO2-
chlorate
ClO3-
perchlorate
ClO4-
cyanide
CN-
chromate
CrO42-
dichromate
Cr2O72-
hydroxide
OH-
nitrite
NO2-
nitrate
NO3-
permanganate
MnO4-
phosphite
PO33-
phosphate
PO43-
sulfite
SO32-
sulfate
SO42-